Śrotriyam means the guru must be (an) expert who has heard from his bona fide spiritual master. That's śrotriyam, not śaukram. Śaukram means generation by semina. And śrotriyam, generation by hearing from the bona fide spiritual master. Śrotriyaṁ brahma-niṣṭham. After hearing, one must be firmly fixed up in brahma-jñāna. Brahma-niṣṭham. This is called śrotriyam.
So dvija-bandhu means who has not perfected his knowledge by hearing from the bona fide source. He is called dvija-bandhu. And the śūdras have no facility, neither the woman has got the facility to go to the gurukula and become a brahmacārī and remain there and learn the Vedic literature. Because women were not allowed, neither could follow. It is not discrimination. It is actual fact by nature. There may be some exception, but by nature it is so fixed up. So for them, this Mahābhārata, greater history, or history of greater India, Mahābhārata...